Question

Let f(x) = x − 2 and g(x) = x2 − 7x − 9. Find f(g(−1)).

Answer 1

coincidentally, g(-1) = -1, but the input and output are usually not the same

Answer 2

so f(g(-1)) = -3

Answer 3

well you start with f(x) = x-2

then you replace x with g(-1) since you want f(g(-1))

Answer 4

so that explains how we got f(g(-1)) = g(-1) - 2

then on the right side you replace g(-1) with -1 because above we've shown that g(-1) = -1

Answer 5

g(x) = x^2 - 6x - 7

g(2) = (2)^2 - 6(2) - 7

g(2) = ???

Answer 6

g(2) = -15

Answer 7

and that's yo answer

Answer 8

f0g = f(g(x))= x^2-7x-11 =
f(g(-1)) = 1+7-11= -3

Answer 9

thank you soo much

Answer 10

i 'm true 200% @boldjon